package com.qd.panda.service.org;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.cdqidi.constant.ConstantDto;
import com.cdqidi.db.BaseService;
import com.cdqidi.dto.CacheKey;
import com.cdqidi.exception.ApiException;
import com.cdqidi.util.RedisTemplateUtil;
import com.qd.common.panda.domain.entity.org.OrgAgentDTO;
import com.qd.panda.mapper.org.OrgAgentMapper;
import com.qd.panda.model.OrgAgent;
import com.qd.system.service.org.OrgService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Optional;

import static java.util.stream.Collectors.toList;

/**
 * 代理商
 *
 * @author sjk
 */
@RequiredArgsConstructor
@Service
@Slf4j
public class OrgAgentService extends BaseService<OrgAgentMapper, OrgAgent> {

    private static final String PREFIX_ID = "panda_org_agent_orgId_{0}";

    private final RedisTemplateUtil<OrgAgent> redisTemplateUtil;
    private final OrgService orgService;


    /**
     * 保存
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public OrgAgentDTO save(OrgAgentDTO dto) {
//        checkUnique(dto);
        checkMb(dto);
        final OrgAgent model = dtoToModel(dto);
        try {
            if (super.save(model)) {
                return modelToDto(model);
            }
            throw new ApiException("添加失败");
        } finally {
            clearCache(model);
            model.freeData();
        }
    }

    /**
     * 修改
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public OrgAgentDTO update(OrgAgentDTO dto) {
//        checkUnique(dto);
        checkMb(dto);
        final OrgAgent model = dtoToModel(dto);
        final OrgAgent historyModel = Optional.ofNullable(getById(dto.getOrgId())).orElseThrow(() -> new ApiException("ID不存在,不能更新"));
        try {
            if (super.updateById(model)) {
                return modelToDto(model);
            }
            throw new ApiException("更新失败");
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
            model.freeData();
        }
    }

    /**
     * 删除，单个
     *
     * @param orgId 主键
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeById(String orgId) {
        final OrgAgent model = Optional.ofNullable(getById(orgId)).orElseThrow(() -> new ApiException("数据不存在,不能删除"));
        try {
            if (!super.removeById(orgId)) {
                throw new ApiException("删除失败");
            }
        } finally {
            clearCache(model);
            model.freeData();
        }
    }

    /**
     * 批量删除
     *
     * @param ids 主键集合
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeBatchIds(List<String> ids) {
        List<OrgAgent> historyModelList = checkIds(ids);
        try {
            if (!super.removeByIds(ids)) {
                throw new ApiException("批量删除失败");
            }
        } finally {
            clearCaches(historyModelList);
            historyModelList.clear();
        }
    }

    /**
     * 根据传入对象构建查询参数，判断是否存在
     *
     * @param dto 参数
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExists(OrgAgentDTO dto) {
        final QueryWrapper<OrgAgent> queryWrapper = createQueryWrapper(dto);
        final boolean exists = super.count(queryWrapper) > 0;
        queryWrapper.clear();
        return exists;
    }

    /**
     * 根据主键判断数据是否存在
     *
     * @param orgId 主键
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExistsById(String orgId) {
        boolean exists = false;
        if (StringUtils.hasLength(orgId)) {
            final OrgAgent model = getById(orgId);
            exists = (null != model);
            if (exists) {
                model.freeData();
            }
        }
        return exists;
    }

    /**
     * 根据主键获取数据
     *
     * @param orgId 主键
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public OrgAgent getById(String orgId) {
        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, orgId);
        return redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getById(orgId), OrgAgent.class);
    }

    /**
     * 根据主键获取数据
     *
     * @param orgId 主键
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public OrgAgentDTO getByIdDto(String orgId) {
        return Optional.ofNullable(getById(orgId)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public OrgAgent getOne(OrgAgentDTO dto) {
        final QueryWrapper<OrgAgent> queryWrapper = createQueryWrapper(dto);
        OrgAgent model = super.getOne(queryWrapper);
        queryWrapper.clear();
        return model;
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public OrgAgentDTO getOneDto(OrgAgentDTO dto) {
        return Optional.ofNullable(getOne(dto)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据
     */
    @Transactional(readOnly = true)
    public List<OrgAgent> getList(OrgAgentDTO dto) {
        final QueryWrapper<OrgAgent> queryWrapper = createQueryWrapper(dto);
        final List<OrgAgent> list = super.list(queryWrapper);
        queryWrapper.clear();
        return list;
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据，转换成页面对象
     */
    @Transactional(readOnly = true)
    public List<OrgAgentDTO> getListDto(OrgAgentDTO dto) {
        return modelToDtoList(getList(dto));
    }

//    /**
//     * 根据唯一性索引获得数据
//     * <p>
//     * param mchId
//     *
//     * @return 单条数据
//     */
//    @Transactional(readOnly = true)
//    public OrgAgent getUniqueByMchId(String mchId) {
//        final QueryWrapper<OrgAgent> queryWrapper = new QueryWrapper<>();
//        queryWrapper.eq("mch_id", mchId);
//        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_UNIQUE_PANDA_OG_AGENT_MCH_ID_I, mchId);
//        final OrgAgent model = redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getOne(queryWrapper, false), OrgAgent.class);
//        queryWrapper.clear();
//        return model;
//    }

//    /**
//     * 验证唯一性索引
//     *
//     * @param dto 页面对象
//     */
//    private void checkUnique(OrgAgentDTO dto) {
//        OrgAgent model = getUniqueByMchId(dto.getMchId());
//        if (null != model) {
//            checkUnique(dto, model);
//        }
//    }

//    /**
//     * 验证唯一性索引
//     *
//     * @param dto   页面对象
//     * @param model 根据约束字段查询出来的数据库对象
//     */
//    private void checkUnique(OrgAgentDTO dto, OrgAgent model) {
//        if (!StringUtils.hasLength(dto.getOrgId())) {
//            throw new ApiException("数据已存在，请勿重复添加");
//        }
//        if (!dto.getOrgId().equals(model.getOrgId())) {
//            throw new ApiException("数据已存在，请勿重复添加");
//        }
//    }

    /**
     * 清空缓存
     *
     * @param model 数据库对象
     */
    public void clearCache(OrgAgent model) {
        if (null == model) {
            return;
        }
        String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getOrgId());
        redisTemplateUtil.deleteByKey(key);
//        key = RedisTemplateUtil.getRedisCacheKey(PREFIX_UNIQUE_PANDA_OG_AGENT_MCH_ID_I, model.getMchId());
//        redisTemplateUtil.deleteByKey(key);
    }

    /**
     * 批量清空缓存
     *
     * @param list 数据库对象
     */
    public void clearCaches(List<OrgAgent> list) {
        if (null == list || list.isEmpty()) {
            return;
        }
        List<String> ids = list.stream().map(model -> RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getOrgId())).collect(toList());
        if (!ids.isEmpty()) {
            redisTemplateUtil.deleteByKey(ids);
            ids.clear();
        }
//        List<String> uniqueIds = list.stream().filter(model -> StringUtils.hasLength(model.getMchId())).map(model -> RedisTemplateUtil.getRedisCacheKey(PREFIX_UNIQUE_PANDA_OG_AGENT_MCH_ID_I, model.getMchId())).collect(toList());
//        if (!uniqueIds.isEmpty()) {
//            redisTemplateUtil.deleteByKey(uniqueIds);
//            uniqueIds.clear();
//        }
    }

    /**
     * 数据库对象转页面对象
     *
     * @param model 数据库对象
     * @return 页面对象
     */
    public OrgAgentDTO modelToDto(OrgAgent model) {
        if (null == model) {
            return null;
        }
        final OrgAgentDTO dto = new OrgAgentDTO();
        dto.setOrgId(model.getOrgId());
        dto.setMchId(model.getMchId());
        dto.setAddTime(model.getAddTime());
        dto.setUpdateTime(model.getUpdateTime());
        buildDisplay(dto);
        return dto;
    }

    /**
     * 页面对象转数据库对象
     *
     * @param dto 页面对象
     * @return 数据库对象
     */
    public OrgAgent dtoToModel(OrgAgentDTO dto) {
        if (null == dto) {
            return null;
        }
        final OrgAgent model = new OrgAgent();
        model.setOrgId(dto.getOrgId());
        model.setMchId(dto.getMchId());
        model.setAddTime(dto.getAddTime());
        model.setUpdateTime(dto.getUpdateTime());
        return model;
    }

    /**
     * 码表转换
     *
     * @param dto 页面对象
     */
    public void buildDisplay(OrgAgentDTO dto) {

    }

    /**
     * 数据库对象转页面对象
     *
     * @param list 数据库对象
     * @return 页面对象
     */
    public List<OrgAgentDTO> modelToDtoList(List<OrgAgent> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::modelToDto).collect(toList());
    }

    /**
     * 页面对象转数据库对象
     *
     * @param list 页面对象
     * @return 数据库对象
     */
    public List<OrgAgent> dtoToModelList(List<OrgAgentDTO> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::dtoToModel).collect(toList());
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto 查询参数，不为空的属性会被自动加入
     */
    public QueryWrapper<OrgAgent> createQueryWrapper(OrgAgentDTO dto) {
        return createQueryWrapper(dto, "");
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto        查询参数，不为空的属性会被自动加入
     * @param tableAlias 表别名
     */
    public QueryWrapper<OrgAgent> createQueryWrapper(OrgAgentDTO dto, String tableAlias) {
        final QueryWrapper<OrgAgent> queryWrapper = new QueryWrapper<>();
        if (null != dto) {
            if (StringUtils.hasLength(tableAlias)) {
                if (tableAlias.charAt(tableAlias.length() - 1) != '.') {
                    tableAlias += ".";
                }
            }
            if (StringUtils.hasLength(dto.getMchId())) {
                queryWrapper.eq(tableAlias + "mch_id", dto.getMchId());
            }
        }
        return queryWrapper;
    }

    /**
     * 批量检查主键在数据库中是否存在
     *
     * @param ids 主键集合
     */
    public List<OrgAgent> checkIds(List<String> ids) {
        if (null == ids || ids.isEmpty()) {
            throw new ApiException("ids不能为空");
        }
        final List<OrgAgent> list = super.listByIds(ids);
        if (list.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(ids.toArray()));
        }
        if (ids.size() == list.size()) {
            return list;
        }
        List<String> dbIds = list.stream().map(OrgAgent::getOrgId).collect(toList());
        final List<String> notExistsList = ids.stream().filter(id -> !dbIds.contains(id)).collect(toList());
        dbIds.clear();
        if (!notExistsList.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(notExistsList.toArray()));
        }
        return list;
    }

    private void checkMb(OrgAgentDTO dto) {
        if (Boolean.FALSE.equals(orgService.isExistsById(dto.getOrgId()))) {
            throw new ApiException("机构ID不存在");
        }
    }

}